Stop-motion for looms.



PATENTBD JULY 3, 1906.

F. ODONNELL. STOP MOTION FOR LOOMS.

Illlll APPLICATION FILED APR.20. 1905.

Whwooaa UNITED STATES PATENT OFFICE.

FELIX ODONNELL, OF PAWTUOKET, RHODE ISLAND, ASSIGNOR OF ONE- HALF TO SUSAN A. BROIVN, OF PAWTUGKET, RHODE ISLAND.

STOP-MOTION FOB LOOMS.

Specification of Letters Patent. 1

Patented July 3, 1906.

Application filed April 20, 1905. Serial No. 256,602.

lowing is'a specification, reference being had therein to the accompanying drawings.

This invention relates to stop-motions for ,looms, and has for its object to provide means whereby the loom will be instantly sto ped if for any reason the shuttle should faii to be thrown way across the loom, but should stop on the lay and be carried thereby forward into the web.

In the ordinary loom if the shuttle should stop in the shed and be carried forward by the la it would be jammed into the warpthrea s and break dowgl all the threads it comes in contact with.

My invention consists, essentially, of means attached to the vibrator whereby said vibrator may be released and allowed to give way and at once relieve the tension on the whole warp, and at the same time the action of said vibrator in givin way operates mechanism to instantly and automatically stop the loom. Thus the breaking of the warpthreads is effectually revented.

Another feature of t e device is that both of the temples are also connected up to the stoplever, and should the shuttle stop opposite either of said temples said shuttle would bring up against the same and through its mechanism connected to the stop-lever the loom would stop even before the vibratorbeam could operate.

In the ordinary loom sometimes the temle-rolls become clogged and will not rotate. en this happens, the fabric becomes torn as it is drawn through themby the take-uproll in front. By the use of my device the fabric cannot be torn in this manner,for should the rolls become clogged the temples are drawn forward and by the mechanism attached thereto the loom is automatically stopped.

With these and other objects in view the invention consists of certain novel features of construction, as will be more fully described, and particularly pointed out in the appended claims. y

In the accompanying drawings, Figure 1 is an end elevation of a portion of the loomframe, showing ome of the parts in'section and illustrating the tripping device connected to the vibrator for stopping the looni when threads. Fig. 2 is a plan view of the stopping mechanism shown in Fig. 1. Fig. 3 is an enlarged perspective view of the vibrator-- beam and the mechanism it actuates when drawn down by the warp-threads. Fig. 4 shows the spring-latch bolt which holds the vibrator-beam in position against the ordi nary tension of the warp-threads. Fi 5 is a plan view showing a portion of thehreastbeam and temples with the shuttle in position to bring up against one of said temples and stop the loom. Fig. 6 is an end elevation of the mechanism shown in Fig. 5.

Referring to the drawings, at 1 is a portion of the loom-fran1e, and2is the lay, which is represented as being on its forward stroke carrying the shuttle 3, which shuttle has stopped thereon and is beingjammed into the warp-threads.

At 4 is the usual breast-beam, and 5 the starting and stopping handle.

At 6 6 are the usual warp-threads that are loom up over the vibrator-beam 8,0vcr and under the lease-rods 9 andlO, through the harnesses 11 and 12 to the fell 13, where the weft-thread is laid in and beat up into awovcn fabric. Connected to this vibrator-beam S is the downwardly-extending arm 14, in which arm is located the spring-actuated latch-bolt 15, (see Fig. 4,) beveled at its outer end at 16. This bolt engages a corresponding V-shaped be readily'withdrawn from said notch, allowwarp when an unusual strain is exerted on the said vibrator-beam by an excess tension on said warp). This plate is shown as extending around ack of this arm at 23 and limits the forward motion of the vibrator. To this downwardly-extending arm 14 is contoo greata tension is exerted on the warpled from the warp-beam 7 in the rear of the.

notch17in a fixed plate 18. and is adapted to ing the vibrator to tip down and slacken the shuttle in the web.

extending from the upper end of this seg-' ment is the adjusting or regulating handle 24. In the upper face of this segment is the notch 25, arranged to engage the tooth or corresponding projection 26 on the tripping-lever 27. s lever is pivoted at 28 and is acted on by the spring 29 to press the said tooth down into the said notch.

At 30 is the downwardly-extending. arm. that is bonnected to said segment, and at 31 is the rearwardly-extending ear that is acted upon by the spring 32 to throw said arm 30 backward when'the tooth 26 is disengaged from its notch 25, and through the connection 33, lever 34, and arm 35 the stoppinglever 5 is disen aged from its notch and instantly flies bee and the loom is stopped.

At 35* 35 in Fig. 5 are the two ordinary spring-actuated temples that extend inward from the breast-beam 36. Pins or lugs 37 37 project out laterally from each of said temples to enga e the levers 38 38, which levers are mounts oh and keyed to the shaft 39. These pins or lugs are normally held a short distance away from the lever 38, so as to permit a slight tern le at the time of the beating up of the clot Without coming in contact with said lever. When the shuttle 3 remains in the shed, is carried forward and comes contact with one of these temples, said temple is driven back and through the lever 38, shaft 39, lever-34, that is also keyed to said shaft 39, and lever 35 the shipper-lever 5 is thrown off and the loom instantly stopped without doing damage to the fabric or breaking the threads. Another feature of this stopping mechanism, connected to the tern le is that if for any reason the temple-r0 becomes clogged and will not rotate and the takeup roll exerts a tension on the tem le sufiicient to draw the same forward t e stopping mechanism will be actuated to stop the loom before this strain is sufiicient to tear the fabric. v v

The 0 eration of the invention may be .further clscribed as follows: My invention is a simple and practical device that may be readily attached to any loom with but small expense, and by its use the loom is sto ped automatieally and it will be impossiblh to break a warp-thread by the stop ing of the By the use 0 my device when the shuttle stops in the shed and is carried forward by the lay the tension on the warp threads is greatly increased; but before that tension reaches thebreakin -point in the yarn the pull on the upper e ge of the vibratonbeam causes the latch-bolt 15 to be movement of the shank of the snare? withdrawn from its notch 17 and allows said vibrator to swing forward, thereby instantly slackening up the yarn, and at the same tnne the'forward movement of the vibrator acting through the arms 14 and 19 the pin 20 presses on the lever 27, withdrawing the tooth 26 from the notch 25 and allows the spring 32 to act, which spring, acting through the arm 30, connecting-rod 33, levers 34 and 35, releases the stopping-lever 5 and the loom is stopped. Having thus described my invention, what I claim as new, and desire to secure by Letters Patent, is

1. In a stop-motion for looms, the combi nation of the shuttle, the lay, and the ten1- ples, and meanswhereby the loom will be stopped automatically if for any cause the temples are drawn inward.

2. In a stop-motion for looms, the combination of the shuttle, the lay, and the temples, and means whereby the loom will be stopped automatically to prevent breaking down the warp-threads when" the shuttle stops in-the shed and is carried forward by the lay against either of said temples.

3. 1n a stop-motion for looms, the combination of the shuttle, the la and the vibrator, means whereby the vi rator-beam will yield when an excess tension is exerted on the wa -threads and spring-actuated means releaser l by the movement of the vibrator to stop the loom.

4. In a stop-motionfor looms, the combination of the shuttle, the lay, and the vibrator, means in said vibrator arranged to hold it normally against the ordinary tension of the warp-threads, and means whereby said vibrator may be allowed to yield when an excess tension is exerted on the same, and means whereby the movement of said vibrator operates mechanism to stop the loom.

5. In a stop-motion for looms, the combination of the shuttle, the lay and the vibrator,'a s ring-actuated latch-bolt arranged to norma y hold said vibrator in a iven position a ainst the ordinary tension 0 the warpthreads upon it, and means whereby said bolt is operated automatically to release said. vi-,- brator and slacken the warp when an excess ive strain is brought to bear upon the same and thereby prevent the warp from breitkin 6. In a stop-motion for looms, the comblnation of the shuttle, the lay, and. vibrator, a spring-actuated latch-bolt arranged to normally hold said vibrator in a given pos ion against the ordinary tension .,of the warpthread upon it, and means'whcrvby said bolt is operated automatically to rdlease' said vibrator and slacken the Warp when an excess ive strain is brought to bear upon the same, and means whereby the movement of the vi brator when released operates to stop the loom and prevent the warp from breaking.

7. In a stop-motion for looms, the combian excess tension is applied to the same, and 10 nation of theshuttle, the lay, a vibrator pivmeans whereby the tipping down of said Viotally hung from the loom-frames, a sprlngbrator operates mechanism to stop the loom. actuated latch-bolt arranged to normally In testimony whereof I afiix-my signature hold said vibrator in a given position against in presence of two witnesses. the ordinary tension of the Warp-threads FELIX ODON N ELL. upon it, means whereby said bolt may be Witnesses:

Withdrawn automatically and allow said vi- HOWARD E. BARLOW, brator to tip down and release the warp when E. I. OGDEN. 

